synthetic polymers in cosmetics
Báo cáo Y học: Formation of aberrant phosphotau fibrillar polymers in neural cultured cells doc
... the interaction of HNE with those tau regions mainly involved in polymer formation One of these regions is the third tubulin-binding motif present in tau molecule [11] Thus, HNE binding domain ... P (1995) Protein phosphatase 2A is the major enzyme in brain that dephosphorylates tau protein phosphorylated by proline-directed protein kinases or cyclic AMP-Dependent protein kinase J Neurochem ... suspension was placed into the wells After overnight incubation in growth medium, the SH-SY5Y cells were washed and incubated in DMEM without fetal bovine serum containing vehicle, 0.25 lM OA,...
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Polymers in Aerospace Applications docx
... Technology arising out of or in connection with any utilisation in any form of any material contained therein Polymers in Aerospace Applications Introduction The last RAPRA Report on Polymers in Aerospace ... conventional methods including pre-preging, resin transfer moulding (RTM), ¿lament winding, and sheet moulding techniques (462) Phenolic Resins Phenolics such as phenol–formaldehyde resin are low-cost, ... (11) Ageing of PMR-15 neat resin in air at 288 °C has shown a small increase in Tg (330 °C to 336 °C) attributed to an increase in crosslink density (7) Ageing for 1000 hours resulted in a visibly...
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polymers in senosr applications
... determining the ATP degradation products, hypoxanthine (HX), inosine (INO) and inosine monophosphate (IMP) metabolites in fish-tissue Freshness is indicated by an index K1 or Hypoxanthine index ... polymers used in gas sensors based on different working principles Conducting polymers showed promising applications for sensing gases having acid – base or oxidizing characteristics Conducting ... acid eliminated, stability of 200 days GOD L-Amino acids Polytyramine L -amino Peroxides Brain glutamate Poly (anilino methyl-ferrocene) Poly (o-phenylenediamine) Creatinine Poly (1,3-diaminobenzene)...
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Characterization of Spin Coated Polymers in Nano-environments as a Function of Film Thickness pot
... relaxations must involve the molecules in the surrounding environment through coupling interactions among the polymer chains These interactions depended on the amount of intermolecular and intramolecular ... the surface could act as a crosslink in the polymer by restraining certain chains.11 For thin films, those less than approximately 60 nm, significant increases in Tg could occur These researchers ... companies, research surrounding thin films is quickly growing.8 Two main areas of research have emerged that cover thin polymer films The first, free-standing films, investigates thin films unattached...
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synthetic polymers for biotechnology and medicine - ruth freitag
... for increasing the availability of insulin-producing tissue and for overcoming the need for continuous immunosuppression Insulin-producing cells being considered for clinical transplantation include ... study denominator throughout the review Biomaterials Materials, including synthetic and natural polymers, metals, ceramics and composites have become increasingly important in medicine and pharmaceutics.18-21 ... include porcine and bovine islets, fish-Brockman bodies,92 genetically engineered insulin-secreting cell lines and in vitro produced “human” β-cells Both primary tissue and cultured cell lines have...
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Polymers in Aerospace Applications pptx
... Technology arising out of or in connection with any utilisation in any form of any material contained therein Polymers in Aerospace Applications Introduction The last RAPRA Report on Polymers in Aerospace ... conventional methods including pre-preging, resin transfer moulding (RTM), ¿lament winding, and sheet moulding techniques (462) Phenolic Resins Phenolics such as phenol–formaldehyde resin are low-cost, ... (11) Ageing of PMR-15 neat resin in air at 288 °C has shown a small increase in Tg (330 °C to 336 °C) attributed to an increase in crosslink density (7) Ageing for 1000 hours resulted in a visibly...
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Báo cáo nghiên cứu khoa học: "STUDY ON THE ANTIBACTERIAN CHARACTERISTICS OF TEA TREE OIL AND ITS APPLICATION IN COSMETICS" ppt
... PD terpinen-4-ol 25% 16 PD terpinen-4-ol 50% 14 PD terpinen-4-ol 75% PD terpinen-4-ol 90% 12 PD terpinen-4-ol >98% 10 Gentamixin 30 25 tinh dau ban đầu PD terpinen 4-ol 25% 20 PD terpinen-4-ol ... vòng vô khuẩn (m ) ườ m tinh dầu ban đầu PD terpinen-4-ol 25% 33 PĐ Terpinen-4-ol 98% Gentamixin 25 23 21 19 17 15 PĐ terpinen-4-ol 90% PD terpinen-4-ol >98 30 Gentamixin 28 26 24 22 20 18 16 ... terpinen-4-ol composition points out that beside terpinen-4-ol, other components in the tea tree oil have also the added effect of antibacterium 3.3.Investigation of tea tree oil application in cosmetics...
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Báo cáo y học: "Diagnostic and prognostic value of antibodies against chimeric fibrin/filaggrin citrullinated synthetic peptides in rheumatoid arthritis" doc
... serum autoantibodies in RA in a subsequent study [20] Further interesting results were obtained with a chimeric fibrin/filaggrin citrullinated peptide (CFFCP1) containing an -fibrin peptide and the ... citrullinated fibrinogen in a mouse model of arthritis [29] and the presence of immune complexes containing citrullinated fibrinogen in the sera and synovium of RA point to a direct role in the ... Together, these findings reinforce the role of citrullinated fibrinogen in RA pathogenesis and suggest that this protein could be an important in vivo target of the ACPAs present in RA sera and...
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guide for the use of polymers in concrete
... 457 pp Polymers in Concrete,” Proceedings, 2nd International Congress on Polymers in Concrete, University of Texas, Austin, Oct 1978, 640 pp Polymers in Concrete,” Proceedings, 3rd International ... of removing laitance, curing compounds, and other surface contaminants Care should be used in combining hydroblasting with thin polymer overlays Surface preparation should not result in high ... thoroughly mixed just prior to using Mixing can be accomplished by introducing bubbling air in the solutions or by using a stirring paddle made of wood or other nonsparking material Particular care...
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Application of conjugated polymers in chemical and biological detections
... quenching and recovery of poly(2-methoxy-5-propyloxy sulfonate phenylene vinylene) in conjugation of biotin-dimethyl viologen and avidin in water (56) In the absence of avidin, the small biotin ... This property has been used in FRET techniques ranging from the assay of interactions of an antigen with an antibody in vitro to the real-time imaging of protein folding in vivo (26, 27) The myriad ... produce signal gained in response to interactions with analysts This has led to them being referred to as amplifying fluorescent polymers In analogy to microelectronic devices, the increased sensitivity...
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Electrochemical properties and applications of conducting polymers in corrosion science
... behind the Development of Conducting Polymers Coatings 22 2.10 Conducting Polymer Coatings 23 2.10.1 Conducting Polymer Coatings on Metal Substrate 24 2.10.2 Electrodepostion of Conductive Polymers ... and integrity A new class of coating has been investigated intensively, namely conducting polymers Conducting polymers of various forms will be electrodeposited onto oxidisable metals and using ... doping by protonic acid or electrochemically Non-redox doping by protonic acids, in which the number of electrons in the polymer chain remains unchanged, involves protonating all heteroatoms in...
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Báo cáo khoa học: Neuroserpin Portland (Ser52Arg) is trapped as an inactive intermediate that rapidly forms polymers Implications for the epilepsy seen in the dementia FENIB ppt
... comparable to that obtained for other serpins, including a1-antitrypsin and a1-antichymotrypsin [19,20] In comparison, the spectrum of Ser52Arg neuroserpin shows an increase in both b-sheet and ... neuronal serpin involved in a conformational disease FEBS Lett 25171, 1–5 16 Im, H., Woo, M.-S., Hwang, K.Y & M.-H (2002) Interactions causing the kinetic trap in serpin protein folding J Biol ... the intrinsic ability of the intracerebral inclusions to cause epilepsy Acknowledgements We are grateful to Tim Dafforn for help in preparing Fig We are also grateful to Kerstin Nordling and Ingemar...
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Báo cáo khoa học: "THE SIMULATION OF STRESS PATTERNS IN SYNTHETIC SPEECH" ppt
... point in the sentence where intonation is perceived to rise or fall serves as an important indicator of stress 1.2 Bolinger found that an increase in intensity with no corresponding pitch increase ... pitch raise Interestingly enough, a drop in intensity was not heard as a drop in pitch, merely as a form of interference, as if the speaker's words were being carried away by the wind Intensity ... above This is indeed true in a great number of cases, but by no means all, as pointed out by Bolinger (Bolinger 1958) For instance, consider the following phrase (taken to mean "do continue"): Go...
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Synthetic Organic Chemicals in Biosolids pptx
... dyes containing dioxin These dyes wash out of fabrics in laundering; however, dioxin levels are far lower in newer fabrics, so wastewater dioxin levels are declining Degradation of synthetic ... eating biosolids 15 child eating biosolids 86 adult eating fish/drinking water 120 adult eating animal products 7.4 adult eating animal products 29 adult eating animal products 600 child eating ... lubricating oils Nitroaromatics 2,4,6-trinitrotoluene (TNT) Trifluralin Benefin Ethalfluralin Methyl parathion Military installations Bombing ranges Bactericides Pesticides Phenols, anilines Pentachlorophenol...
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INTERACTIONS OF POLYMERS WITH FIBRILLAR STRUCTURE OF CELLULOSE FIBRES: A NEW APPROACH TO BONDING AND STRENGTH IN PAPER docx
... Klingenberg 2001) 16 2.3.2 Synthetic polymers Synthetic polymers that are used as strength additives in papermaking include e.g poly(acrylamide), polyvinylamine, and different wet strength resins: ... able to reinforce the natural bonding of fibres Expectedly, the reinforcing mechanism also include the self-crosslinking of the polymers, at least to some extent, since the crosslinking reactions ... refining Refining is an energy-intensive mechanical process which considerably improves fibre bonding and results in stronger paper The mechanism of refining in improving fibre bonding and paper...
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Exercises in Synthetic Organic Chemistry pdf
... Dihydropyran Dihydroquinidine Diisobutylaluminium hydride Diisobutylaluminium hydride Diisopropylcarbodiimide 4-Dimethylaminopyridine Dimethoxyethane ATN-Dimethylformamide Dess-Martin periodinane 3,4-Dimethoxybenzyl ... 8, obtained upon ozonolysis of vinylsilane 22 16 Stereoselective Total Synthesis of (+)-Artemisinin Further Reading • For an analysis of recent syntheses of artemisinin, see: M G Constantino, M ... not knowing the answer Seeing a reaction in which an olefin is transformed into a 1,2-diol with osmium tetroxide is a useful way of learning chemistry, but not nearly as effective has having time...
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Báo cáo khóa học: Determination of modulation of ligand properties of synthetic complex-type biantennary N-glycans by introduction of bisecting GlcNAc in silico, in vitro and in vivo pot
... signal of binding of the fluorescent probe is given as extent of carbohydrate-ligand-dependent binding by subtracting carbohydrate-independent binding from total binding for each cell line BiB10-BSA ... dramatic differences in median fluorescence intensity (Table 2) When the staining profiles were examined using the two neoglycoproteins with/without bisecting GlcNAc, staining intensity was significantly ... occurrence of ricin resistance in CHO cell mutants being attributed to GnT-III activity [15,16] is an example in which an ensuing decrease in affinity in plant lectin binding can help to explain the new...
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additives in polymers
... material during processing or use, in dealing with problems involving migration and diffusion phenomena, in the deformulation of unknown additive cocktails, and in solving the origin of complaints (e.g ... (directly during production of the plastic in the reactor); (ii) addition to the finished granulate in a subsequent processing (compounding/mixing) stage, or in the processing machine itself Finally, ... strategically in an ever-increasing order of sophistication in analytical ingenuity Conventional, indirect, polymer/additive analysis methods, mainly involving wet chemistry routes, are described in Chapters...
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modeling and simulation in polymers
... 154 Calendering 155 Roll Coating 157 Wire Coating 162 Fiber Spinning 163 Film Casting 169 Film Blowing 173 Unsteady-State Processes 176 Blow Molding 176 Thermoforming 178 Injection Molding 181 Conclusions ... and biopolymers Since in many cases the science and engineering are not well distinguishable, the editors decided to use a ‘‘mixed’’ approach in presenting the contributions in the book in alphabetic ... Poldneff and Martin W Heinstein Introduction 385 Nonlinear Finite Element Analysis 386 Incompressibility Conditions 389 Solution Strategy 393 Treatment of Contact Constraints 394 Tire Modeling 397 References...
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